Car-coupling.



H. C. BUHOUP.

CAR COUPLING.

APPLICATION FILED 1uLY21. 1915.

Patented Mar. 14,1916.

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UNITED STATES PATENT OFFICE. 7'

HARRY G. BUHOUP, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE MCCONWAY 8c'IORLEY COMPANY, OF PITTSBURGH, PENNSYLVANIA, A CORPORATION OFPENNSYLVANIA.

CAR-COUPLING.

Specification of Letters Patent.

Application filed July 21, 1915. Serial No. 41,061.

To all whom it may concern:

Be it known that I, HARRY G.'] 3U 'HOU P, a citizen of the UnitedStates, residing at Chicago, in the county of Cook and State ofIllinois, have invented certain new and usei ful Improvements inCar-Couplings; and I do hereby declare the following to be a full,clear, and exact description of the invention,

" such as will enable others skilled in the art to which it appertainsto make and use the same.

My invention relates to the' construction of car couplers and moreespecially to those couplers in which the coupler head is detachablysecured to the coupler stem for the purpose of permitting the readysubstitution of' a new coupler head for a worn or broken one.

coupler head having a rearwardly extending disconnected when the deviceis in service. Generally stated, this object is accomplished byconstructing thecar coupler with a coupler stem which is formed with ablfurcated forward end and by mounting thereon a hooked portion thatprojects into said bifurcation, the coupler stemhaving upon it alurality of spaced devices which engage the v opposite faces of therearwardly extending i portion of the coupler head such rearwardlyextending portion being insertiblebetween the said spaced devices upon aturning movement of the head with respect to the stem, andsuchrearwardly extending por- 'tion of the head having hooked'engagementwith oneof the said spaced devices'to thereby prevent forwardlongitudinal movement of the coupler head with respect to the stem. Abolt or key passing vertically through the coupler head and stem servesas a means for preventing the head from turning with re spect to thestem so as to become disengaged from said stem.

In the drawings illustrating the preferred embodiment of my invention,Figure 1 is a plan view of a car coupler constructed in acv cordancewith my invention, portionsof the head and stem being broken away; andFig."

2 is aside elevationof the construction illus- 'trated in Fig. 1'.

As shownin the drawings, the stem '1 of the coupler is preferablybifurcated at its forward end, being forthis purpose conveniently formedwith upper and lower plates or branches 2, 2 which are separated by aninterposed spacing member 3 thatiis securedbetween said plates by rivets4. At then forward ends each of the plates 2 is provided with anappropriate opening to permit the passage of a pin or bolt 5 that alsopasses through corresponding openings in the upper and lower walls ofthe coupler head 6. Between the forward end 'of the spacing member3'and' the outer extremities of the plates 2, the coupler stem isprovided 7 with a plurality of locking means which are adapted torespectively engage opposite Patented Mar. 14, 1916. a

sides of a rearward extension 7 with which i the coupler head 6 isprovided. These means occupy a spaced relation to each other bothlongitudinally and transversely of the stem of the coupler, andpreferably comprise vertlcally extending rivets 8 that" connect theplates 2 of the stem, each rivet being sur; rounded by a cylindricalthimble 9 which bears at its ends againstthe said plates and thusservesto maintain them in proper spaced relation. 7 V

1 The rearwardly extending portion 7 of the coupler head is preferablyequal in height to the distancebetween the opposed faces of the platesor branches2 of the couplerstem. It also preferably extends rear-l,

wardly for a'distance sufiicient "to bring its end 'in'contact with theforward faces of the spacer member 3 when the parts are in as-i sembledrelation, being thus availed of to transmit a portion of the buffingstrains to the coupler stem through the sp'acer'member thereof Theopposite lateral'fac'es of the rearwardly extending portion 7 of thecoupler head are formed with recesses 10 and 1 11, respectively, forthe'reception of the" corresponding rivets 8 and spacing sleeves 7 9,the rear end of the extension'7 being formed with a hooked portion 12which is adapted to extend behind and have overs lapping engagement withthe parts 8 and 9-which project through therecess 11; 'The 1 forwardwall of the recess 10 and therear" wallof'theirecess 11 preferablyextend in a transverse direction inorder to most effectively" resist anyforce tending to cause ,the coupler stem 1 andcoupler head to movelongitudinally with respect to eachother; but therear wall of the recess10 is inclined rearwardly, as at 13, in order to permit the coupler head6 to be assembled upon and disconnected fromlthe coupler stem 3 by aturning movement of the head with respect to the stem. In assembling"the structure the coupler head 6 is turned with respect to the couplerstem and the rearwardly extending portion of said head is insertedbetween the rivets and spacing sleeves, 8 and 9, respectively, thecoupler head beingthen rotated until the rear end 12 of the couplerextension 7 comes into hooked relation with the adjacent rivet .8 andthe spacing sleeves 9 and rivets 8 have entered the correspondingrecesses 10, or 11,

as the, case may be, of the member 7. The bolt 5 is then passedthroughthe corresponding apertures in the coupler head'6 andtheapertures at the forward ends of the plates I or branches 2 of thecoupler stem 1. As thus assembledthe coupler head and coupler stem arerigidly connected. To remove the coupler head it is only necessary towithdraw the pin 5 and then rotate the head 6 untilits rearwardlyextending portion 7 may be withdrawn from between the members 8 and stemand having, a rearwardly extending portion, and means carried by thestem for --engaging said rearwardly extending portion of thehead toprevent said head from being detached from the stem by a, rectilinearmovement, said means having en eagemert with the opposlte exteriorlateral 1 faces of the said rearwardly extending portion of the head 2.In a car coupler, a coupler stem, a coupler head having a rearwardlvextending portion, and means carried by said stem and engaging theexterior lateral faces of said rearwardly extending portion or" the headfor preventing longitudinal movement of said head with respect to saidstem, said .rearwardly extending portion of the head being adapted to bedisengaged from said means by a turnin movement of said head withrespect to saic stem about an axis extending at an angle; to thelongitudinal axis of said stem.

3.'Ina car coupler, a coupler stern, a:

coupler head. and means for detachably conmeeting said stem andhead,said means being. adapted-to prevent relative longitudie nal movement ofsaid head and stem and involving interfitting parts respectively car-,

ried by said stem and head,said interfitting parts being adapted toprevent lateral ro-- tation-of said head with respect to said stem inone dlrectlon and being disengaged from each other by a lateral turningmovement of 1 said head with respect to said stem in the oppositedirection, said turning movement.

being executed aboutan axis extendingat an angle to the longitudinalaxis of said stem.

4. vIn a car coupler, a coupler stem having a bifurcated end, a couplerhead ha-vinga rearwardly extending hooked. portion that.

projects into :said bifurcation, and locking means involving a pluralityof spaced: de-

vices which engage the opposite faces of said rearwardly extendingportion of the coupler head, said i rearwardly extending portion ot thecoupler head'being adapted to pass between said spaced devices tothereby permit the head and stem to be assembled a or disassembled by aturning movement. of

said head with respect to said stern,; and

said rearwardly extending, portion of the.

head having hooked engagement with one of said spaced devices to:thereby prevent longitudinal movement of said head with.

respect to; said stem..

5. In a car coupler, a bifurcated coupler stem havlng upper andlowerbranches, a

plurality of vertically extending devices:

connecting said branches, said connecting devices being in spacedrelation, a coupler head having a rearwardly GX-lZQHClHIgJPOB- tionwhich projects between and engages a.

plurality of said connectingdevices to there-v by constitute means for,preventing longitudinal movement of said head with respect to said stem,and means for reventing the disengagement of said :rearwardlvprojectingnortion of the headflfrom said connecting devices.

6. In a car coupler, a couplerstem, a couplerhead havlng' arearwardlyextend:

ing hooked portioma bolt connecting said: head and stem, and a.plurality of devices; carried by the said stem for'engagin-g therearwardly cxtendingportion of said head, said devices being spaced fromeach other. both laterally and longitudinally and serving to preventlongitudinal movement of said head with respect to the stem, andsaidhooked portion extending betweensaid spaced :devices carried by saidstem.

,7. Ina car coupler, acoupler stem, a,

coupler head, and means for detachably con s necting said stem and head,said means'involvmg a bolt passmgythrough said head and stem, arearwardly extending hooked member rigidly mounted on said head, and. aplurality of devices carried by said stem; rearwardly ofsaid bolt andarranged, in: spaced relation both longitudinally andlaterally andengaging the corresponding ophead having a rearwar'dly extending portionposite exterior lateral faces of said hooked formed with laterally openrecesses for re- 10 member. spectively receiving said rivets, and a bolt8. In a car coupler, .a bifurcated coupler passing through said head andstem in adstem having upper and lower branches, a Vance of said rivets.spacer member interposed between said In testimony whereof I affix mysignature. branches, rivets connecting said branches in advance of saidspacer member, a coupler 5 HARRY C. BUHOUR- Copies of this patent may beobtained for five cents each, by addressing the Commissioner of Patents,Washington, D. 0.

